Astra Linux – Vulnerability in HAPProxy

In HAProxy versions 2.2 through 3.1.6, under certain unusual configurations, there is a heap-based buffer overflow due to improper handling of replacing multiple short patterns with a longer one...

Astra Linux – Vulnerability in HAPProxy

A vulnerability related to uncontrolled resource consumption was discovered in HAProxy, which could cause the service to crash. This issue could allow an authenticated remote attacker to run a specially crafted malicious server within an OpenShift cluster. The most significant impact is related t...

Astra Linux – Vulnerability in HAPProxy

A vulnerability related to information leaks was discovered in HAProxy versions 2.1, 2.2 before 2.2.27, 2.3, and 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, and 2.7 before 2.7.1. There are 5 bytes that are not initialized in the connection buffer when encoding the FCGIBEGINREQUEST...

Astra Linux – Vulnerability in HAPProxy

A flaw was discovered in the way HAProxy processed HTTP responses containing the “Set-Cookie2” header. This flaw could allow an attacker to send crafted HTTP response packets, leading to an infinite loop and ultimately causing a denial-of-service condition. The most significant threat from this...

Astra Linux – Vulnerability in HAPProxy

A issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. This issue does not ensure that the scheme and path portions of a URI contain the expected characters. For example, the authority field as observed on a target HTTP/2 server might differ from what the...

Astra Linux – Vulnerability in HAPProxy

A issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. This issue can lead to a situation where the HTTP Host header is controlled by an attacker, due to a mismatch between the Host field and its corresponding authority value being mishandled...

Astra Linux – Vulnerability in HAPProxy

There is an integer overflow in HAProxy versions 2.0 to 2.5, specifically in the htxaddheader function, which can be exploited to perform an HTTP request smuggling attack. This allows an attacker to bypass all configured http-request HAProxy Access Control Lists and possibly other access control...

Astra Linux – Vulnerability in HAPProxy

Before version 2.8.2, HAProxy allowed to be part of the URI component. This could allow remote attackers to obtain sensitive information or cause unspecified other issues due to misinterpretation of the pathend rule, such as routing index.html.png to a static server...

Astra Linux – Vulnerability in HAPProxy

Before version 2.7.3, HAProxy might allow a bypass of access control mechanisms, as HTTP/1 headers were inadvertently lost in certain situations, also known as “request smuggling.” The HTTP header parsers in HAProxy might accept empty header field names, which could be used to omit the list of HT...

Astra Linux – Vulnerability in HAPProxy

A issue was discovered in HAProxy 2.0 before 2.0.24, 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. A HTTP method name may contain a space followed by the name of a protected resource. It is possible that a server would interpret this as a request for that protected resource, as in t...

CVE-2026-90678

A flaw was found in HAProxy. A remote, unauthenticated attacker can exploit a vulnerability in the HTTP/3 multiplexer when processing requests without a Content-Length header, leading to HTTP request smuggling. This occurs when HAProxy is configured with QUIC support and an HTTP/3 frontend, and...

Linux Distros Unpatched Vulnerability : CVE-2026-90678

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QU...

CVE-2026-90678

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

CVE-2026-90678

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

UBUNTU-CVE-2026-90678

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

EUVD-2026-76943

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

CVE-2026-90678

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

CVE-2026-90678

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

CVE-2026-90678

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...

CVE-2026-90678

An issue was discovered in HAProxy 3.3.0 through 3.4.4 and in 3.5-dev1 through 3.5-dev5. Exploitation requires an HTTP/3 frontend: HAProxy must be built with QUIC support and configured with a QUIC bind listener, and the affected traffic must reach a backend over HTTP/1.1 using chunked transfer...